#include <iostream>
#include <cmath>
using namespace std;

class Rectangle{
private:
	double h;
	double w;
public:
	Rectangle();
	Rectangle(double w, double h);
	Rectangle(const Rectangle & rect);
	~Rectangle();
	double getArea() const;
	double getWidth() const;
	void setWidth(double w);
	double getHeight() const;
	void setHeight(double h);
	const Rectangle & operator --();
};